cummins



(No ModeL) W; G. su J. H. CUMMINS.

No. 309,694. Patented Dec. 23, 1834,

lUniiTinn drains lima-frenar einen@ ilLLlAlM G. CUMMINS ND JUBAL lol. CUMMINS, OF MCMINNVILLE, TEBN.

HORSE-DETAGHER.

'SPBCIFICQTION clriing pari: of Letters Patent No. 309,694; dated December 23, 1884:.

Application tiled May 14, i884.

o (tl when@ it may con/007%:

Se it known that we, WILLIAM G. Columns and JUBAL Il. CUMMINS, of Mcll'liunville, in the county ofVarren and State of Tennessee, have invented certain new and useful lm p rovements in Trace-Detachers, and we do hereby declare the following to be a full, clear, and exact description of the invention, such-as will enable others skilled in the art to which it appertains to make and use the same.

Our invention .relates to an improvement in devices for detaching horses, and more particularly to an improvement upon adevice for this purpose, for which Letters Patent No. 267,331 were granted to Wvilliain Grliiiiiiiiiis, November' 14, 1882, the object ot` the same being to provide a trace-detacher which may be adjusted to suit single-trees of diiierent size; a further object being ,to provide an improved construction ofthe slide-bar, whereby the same may be applied to either end of the single-tree, have a directlongitudinal motion, and have a concave bearing on the sin gie-tree, a further object being to providean improved catch 'for holding the latch-lever :zgainst accidental disl'ilacemcnt.

With these ends in view our invention consists in certain features of construction and combinations of parts, as will be hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a View in perspective of one end of a singletree provided with our improve1'nent,the parts being in a locked position. 2 is a similar View showing the parts in the detaching position, and Fig. f3 is a detached view of the slide-bar.

A represents one end of a single-tree provided with a trace-pin, a, centrallylocatcd in the end ofthe single-tree,

A slide-bar, B, provided with a concave under surface adapted to closely 'lit a portion ofthe cylindrical surface of the single-tree, is bent downward at the outer end to form a guard, l), which guard is adapted to rest in contact with the end ofthe pin a and hold the trace on the pin. The slide-liar B is preferably widened at its inner end, as shown, and providedwiththe elongated longitudinal closed slot C, and with the two transverse closed slots (No model.)

c, similarly situated on opposite sides of the slot C. The purpose of the slots C and c will appear farther on. The bar B is further provided with a vertical perforation, D, just ontside of the end of the single-tree proper, in which the stein ot' a ring or eye, d, which serves as a tracedetachenis adapted to be received and firmly held, either by a screwthread or by being driven snugly. The eyed is adapted to loosely embrace thetrace-pin a,

and as the bar slides outward slides the trace off the end of the pin, and can be adjusted lengthwise to enable it to accommodate itself to single trees of different diameters.

A latch-bar, E, shaped to conform to the upper surface of the slide-bar B, is provided with a perforation, c, situated in a position directly over the outer endet the slot C,when the bar E is in position on the bar B, through which perforation and slot a screw or bolt, F, passes into the singletree, and thereby locks the bar ll tothe bar B, and both to the single`- tree. rlhe bar E is further provided with a depending stud,f, which engages one of the transverse slots c in the bar B, and with a ring or other suitable device for attaching a cord, wire, or chain at or near its outer end. The latcli-bar E is also provided with :an open Vshaped recess, Cr, on the under side of its oute r end, which engages a siniilar-shaped projection, y, on the upper surface of the bar B, and locks the latch against accidental displacement. rlhe spring of the bar E, when constructed of brass, steel, or cast malleable iron, is sufiicient to allow the bar E to move over the projection y and hold the bar in contact therewith; but, if found desirable to use metal which has little or no spring, a spring-washer, ll., may be introduced between the head of the screw or bolt F and the bar E.

XVe tind it convenient to have the bar B shouldered at a point near the end of the singlo-tree proper, rising about the thickness of the vlatcl'i-bar E, and thus forming, when the latch-bar in position, an even upper surface from the inner to the outer end of the bar B.

A cord attached to the outer end of the latch-bar and leading within reach of the driver brings the device under his immediate control, as a backward pull on said cord will IOO swing the latch-bar E rearwardly, and by the engagement of the stud fin the slot c will force the bar B outwardly the length of the slot C, which corresponds to the length of the trace-pin a, and by means of the tracedetacher d slips the trace from the pin a and sets the horse free. A similar bar on the opposite end of the single-tree, having the stud in the latch-bar engaging the opposite slot c, will produce the same eiect upon the tree at that end' when the latch-bar is swung rearwardly, and by any convenient -connection of the operating-cords the two may be moved simultaneously.

It is evident that slight changes may be made in the form and construction of the several parts without departing from the spirit and scope of our invention; hence we do not wish to limit ourselves strictly to the construction herein set forth; but,

Having fully described our invention, wha we claim as new, and desire to secure by Letters Patent, is

l. The combination, with a single-tree and its trace-pin, of a slide-bar provided with a trace-retaining and an adjustable trace-shipping device, and a latch bar or lever pivoted to the single-tree through the said slide-bar, and adapted to slide the bar longitudinally, substantially as set forth.

2. The combination, with a single-tree provided with a trace-pin, and a slide-bar secured on the single-tree and provided with a traceretaining device, of a trace-detacher adjustably secured to the retaining-bar, and a lever for locking and moving the bar, substantially as set forth.

3. The combination, with a trace-retaining and trace-shipping sliding bar secured to the end of a single-tree and provided with a longitudinal and a transverse slot, of a latch-lever pivoted to the single-tree through said longitudinal slot and provided with a stud which engages said transverse slot, whereby the lateral swing of the -latch-lever moves the sliding bar longitudinally, substantially as set forth.

4. The combination, with a single-tree and its pin, of atrace-retaining and trace-shipping sliding bar provided withA a longitudinal and two transverse slots, whereby it is adapted to occupy either end of the single-tree and be operated thereon, substantially as set forth.

5. The combination, with a single-tree and its pin, of a trace-retaining and trace-shipping sliding bar provided with a V-shaped cam on its upper surface, and with longitudinal and transverse slots, and a latch-lever pivoted to the single-tree through the longitudinal slot, said latch-lever having a V-shaped recess in its outer end and a stud in engagement with said transverse slot, whereby it locks and moves the sliding bar, substantially as set forth.

6. The combination, with a single-tree and a trace-pin secured in its end, ofa trace-shipping and trace-retaining sliding bar, a latchlever pivoted to the single-tree through the sliding bar, aspring-washer between the latchlever and pivot-bolt or screw-head, and operating-ring secured to the outer end of thelatchlever, substantially as set forth. v

In testimony whereof we have signed this specification in the presence of two subscribing witnesses.

WM. G. CUMMINS. JUBAL H. CUMMINS.

Vitnesses:

CHAs. A. HOPKINS, @HARLEY T. THURMAN. 

